Australia · costs in AUD
Reverse cycle multi-split / vrf air conditioner
Mitsubishi Electric PUHY-M450YXM series Air Conditioner
Mitsubishi Electric PUHY-M450YXM series is a 50 kW reverse cycle multi-split / vrf air conditioner registered under Australia’s Energy Rating (GEMS) scheme (registration AAC10102).
- Energy rating (cooling)
- 1.5
- Heating: 0
- Annual electricity use
- 6,542 kWh
- Estimated running cost
- $2,093 / year
- $174 / month · $20,934 over 10 years
- Capacity
- 50 kW cooling
- 50 kW heating
53% less electricity than the median of 42 comparable 50 kW reverse cycle multi-split / vrf registrations (13,803 kWh a year) in the mixed zone. Uses less than 83% of them.
Across all 3,680 air conditioner registrations sold in Australia, it uses less than 13% (this compares very different sizes, so the cohort figure above is the useful one).
Annual kWh is the government label figure for a residential user in the mixed zone (Richmond NSW climate: Sydney, Melbourne, Adelaide, Perth). Mixed climate zone shown by default (Sydney, Melbourne, Adelaide, Perth); switch to cold or hot. Cost = kWh × 32c/kWh in AUD; change the price above to your tariff.
Mitsubishi Electric PUHY-M450YXM series running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 4,359 | $1,395 | $13,949 |
| Mixed zone | 6,542 | $2,093 | $20,934 |
| Hot zone | 18,955 | $6,066 | $60,656 |
At 32c/kWh. Formula: cost = annual kWh × price. The kWh figure is the label’s residential estimate for that zone; commercial-profile figures are in the specifications.
Air conditioners that use less electricity
Same configuration and type, cooling capacity within 12% of 50 kW, at least 3% lower annual kWh in the mixed zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Panasonic U-16MF3R750 kW heating45 kW cooling4,064 kWh/yr | 2.5 | $1,300 | |
| Toshiba MMY-MUP16S1HT8P-A50 kW heating45 kW cooling4,443 kWh/yr | 2.5 | $1,422 | |
| Toshiba MMY-MUP20S1HT8P-A63 kW heating56 kW cooling5,421 kWh/yr | 2.5 | $1,735 | |
| Mitsubishi Electric PUHY-M400YXM-A-BS45 kW heating45 kW cooling5,655 kWh/yr | 1.5 | $1,810 | |
| Mitsubishi Electric PUHY-M400YXM-A45 kW heating45 kW cooling5,655 kWh/yr | 1.5 | $1,810 |
Air conditioners similar to the Mitsubishi Electric PUHY-M450YXM series
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Daikin REYA18AYM56 kW heating50 kW cooling13,077 kWh/yr | 2.5 | $4,185 | |
| Mitsubishi Heavy Industries FDC500KXZRE250 kW heating50 kW cooling14,484 kWh/yr | 2 | $4,635 | |
| Daikin REYQ18TAY156 kW heating50 kW cooling17,011 kWh/yr | 2 | $5,444 | |
| Mitsubishi Heavy Industries FDC500KXZE256 kW heating50 kW cooling14,016 kWh/yr | 2.5 | $4,485 | |
| Hitachi RAS-180RNCCLW56 kW heating50.4 kW cooling11,937 kWh/yr | 2.5 | $3,820 | |
| Hitachi RAS-180RNCBLW56 kW heating50.4 kW cooling12,411 kWh/yr | 2 | $3,972 | |
| Toshiba MMY-MUP18S1HT8P-A54 kW heating50.4 kW cooling5,465 kWh/yr | 2 | $1,749 | |
| Toshiba MMY-MUP1801FT8P-A50.4 kW heating50.4 kW cooling14,382 kWh/yr | 3 | $4,602 |
Compare PUHY-M450YXM series with another model
Mitsubishi Electric PUHY-M450YXM series specifications
- Type
- Reverse cycle
- Configuration
- Multi-split / VRF
- Air distribution
- Ducted or non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 50.00 kW
- Cooling power input
- 15.11 kW
- Rated heating capacity (7 °C)
- 50.00 kW
- Heating power input
- 12.99 kW
- EER, full load (tested)
- 3.31
- COP, full load (tested)
- 3.85
- Rated AEER
- 3.25
- Rated ACOP
- 3.77
- Standby power (PIA)
- 76.0 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Three phase
- Indoor sound power
- –
- Outdoor sound power
- –
- Demand response (AS/NZS 4755)
- No
- Country of manufacture
- Japan
Dimensions are not collected for registrations under the 2019 Determination, so they are shown only where the source has them.
Mitsubishi Electric PUHY-M450YXM series zoned energy rating figures
As published for each climate zone. Residential figures drive the star ratings; commercial figures assume a commercial usage pattern.
| Zone | Profile | Cooling stars | Heating stars | Cooling kWh | Heating kWh |
|---|---|---|---|---|---|
| Coldcommercial | commercial | – | – | 9,846 | – |
| Coldresidential | residential | 1.5 | 0.0 | 4,359 | – |
| Mixedcommercial | commercial | – | – | 12,107 | – |
| Mixedresidential | residential | 1.5 | 0.0 | 6,542 | – |
| Hotcommercial | commercial | – | – | 25,990 | – |
| Hotresidential | residential | 1.5 | 0.0 | 18,955 | – |
Part-load test points (1 values)
- c__low_temp_have_full_cap_results
- No
Other model numbers on registration AAC10102
Registered together and sharing the same test results. Usually variants of the same unit.
Australian GEMS registration details
- Registration number
- AAC10102
- GEMS registration id
- 179097
- Status
- approved, available (self-reported)
- Registration expires
- 30 April 2031
- Registered for sale in
- Australia, New Zealand
- Family
- PUHY-M450YXM series
- Regulatory standard
- [SEER Multi-Split <=65kW] GEMS (Air Conditioners up to 65kW) Determination 2019
- Test standard
- Eurovent Certification
- MEPS
- 2019
- Product class
- Class 21
Source: Australian Government Energy Rating (GEMS) registration data, DCCEEW via data.gov.au (CC BY 3.0 AU). Dataset published 25 September 2026; last checked 26 September 2026. Manufacturer: MitsubishiElectric.com.au. How the derived figures are calculated.